| Health / Medical Topics |
Granuloma Annulare
Definition 1
A localized or generalized inflammatory skin disorder characterized by the formation of papules and ring-shaped plaques in the skin. Morphologically these lesions are granulomatous inflammatory processes with central necrosis surrounded by palisading histiocytes. (NCI Thesaurus)
Definition 2
Benign granulomatous disease of unknown etiology characterized by a ring of localized or disseminated papules or nodules on the skin and palisading histiocytes surrounding necrobiotic tissue resulting from altered collagen structures. (NLM, Medical Subject Headings)
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